短語詞組短語controllable -reversible pitch propeller 可控可逆螺槳Vocabulary for controllable -pitch propeller plants 可變距螺鏇槳設(shè)備詞滙high -skew controllable pitch propeller 大側(cè)斜可調(diào)槳electric -mechanical controllable pitch propeller 電動 返回 controllable-pitch